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U.S. Army Corps of Engineers
®
US Army Corps of EngineersInstitute for Water Resources, Risk Management Center
Risk Calculations Suite

Unlined Spillway Erosion

Without control sill/weir​

Unlined Spillway Erosion event tree

With control sill/weir​

Unlined Spillway Erosion event tree
NOTE

Node 5 (breach) description can be updated to reflect the number of monoliths that are unstable (if applicable).

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